Evaluation of Single-Shade Composite Resin Color Matching on Extracted Human Teeth

Table 2

Comparison of color difference measures—Delta E CIELAB between groups.

Groups	n	Mean ± SD	value, G1 × G2	value, G1 × G3	value, G2 × G3
Z250 XT (G1)	20	6.80 ± 3.8	<0.001	<0.001	1.000
Omnichroma (G2)	10	18.6 ± 8.6
Vittra APS Unique (G3)	10	16.8 ± 4.9

ANOVA test: value <0.001.